public class Example7_4 {
	public static void main(String args[ ]) {
		int n = 0,m = 0,t = 1000;
		try{  m = Integer.parseInt("8888");
			n = Integer.parseInt("ab89"); //发生异常,转向catch
			t = 7777;  //t没有机会被赋值
		}
		catch(NumberFormatException e) {
			System.out.println("发生异常:"+e.getMessage());
		}
		System.out.println("n="+n+",m="+m+",t="+t);
		try{  System.out.println("故意抛出I/O异常！");
			throw new java.io.IOException("我是故意的");
			//System.out.println("这个输出语句肯定没有机会执行,所以必须注释掉，否则编译出错");
									
	      	}
	   	catch(java.io.IOException e) {				
			System.out.println("发生异常:"+e.getMessage());
		}
	}
						
}
